HuangXingBo opened a new pull request #13483: URL: https://github.com/apache/flink/pull/13483
## What is the purpose of the change *This pull request will support Pandas Stream Group Window Aggregation* ## Brief change log - *Add StreamArrowPythonGroupWindowAggregateFunctionOperator* - *Add Physical Rule and RelNode* ## Verifying this change This change added tests and can be verified as follows: - *Add UT PythonGroupWindowAggregateTest* - *Add IT StreamPandasUDAFITTests* ## Does this pull request potentially affect one of the following parts: - Dependencies (does it add or upgrade a dependency): (no) - The public API, i.e., is any changed class annotated with `@Public(Evolving)`: (no) - The serializers: (no) - The runtime per-record code paths (performance sensitive): (no) - Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Kubernetes/Yarn/Mesos, ZooKeeper: (no) - The S3 file system connector: (no) ## Documentation - Does this pull request introduce a new feature? (no) - If yes, how is the feature documented? (not applicable) ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org